CN206900162U - A kind of cooling system of double-motor power system used for electric vehicle - Google Patents
A kind of cooling system of double-motor power system used for electric vehicle Download PDFInfo
- Publication number
- CN206900162U CN206900162U CN201720842639.3U CN201720842639U CN206900162U CN 206900162 U CN206900162 U CN 206900162U CN 201720842639 U CN201720842639 U CN 201720842639U CN 206900162 U CN206900162 U CN 206900162U
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- Prior art keywords
- motor
- cooling
- water
- controller
- temperature sensor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a kind of cooling system of double-motor power system used for electric vehicle, the cooling system is made up of recirculated water cooling component, temperature measurement component and control assembly.Described recirculated water cooling component is used for motor and automatically controlled cooling, including water tank, water circulating pump, four-way reversing valve, motor heat exchanger, All-in-One controller heat exchanger, water recirculator, cooling fan and forms the circulating water pipeline of the said equipment connection；Described temperature measurement component is made up of motor heat exchanger entrance cooling-water temperature sensor and electric machine built-in temperature sensor；Described control assembly includes All-in-One controller and entire car controller；When cooling system works, control assembly collection motor work operating mode and circulation loop temperature information, judge, control the rotating speed of the position of four-way reversing valve, water circulating pump and heat exchange blower fan, realize intelligence cooling.The utility model is simple in construction, temperature control significant effect, be particularly suitable for use in the dynamical system with two motors, in the case where not changing bi-motor integral type channel structure, the purpose that two motors uniformly cool down is realized by the flow direction of four-way Vavle switching cooling water, improves the whole efficiency of system.
Description
Technical field
It the utility model is related to power system of electric automobile cooling technology, more particularly to a kind of double-motor power system is cold
But system.
Background technology
Electric automobile the starting of vehicle, is accelerated due to being driven using motor, runs at high speed and realized entirely by motor.
Under high current situation in above-mentioned traveling, the in-fighting of motor can also sharply increase, and the in-fighting almost all of motor is with heat
Mode discharge.Because the cooling performance of dynamical system directly affects the operational efficiency of system, its reliability and economy are influenceed
Property.Therefore, the operating temperature of motor is controlled, is winding is effectively cooled it particularly important.
The common type of cooling of motor has air-cooled and liquid cold.Ventilated motor is in order to obtain necessary cooling effect, body
Product is relatively large, and surface typically increases area of dissipation by the way of cooling grid, and also needs to the blind end in motor
Increase radiator fan is to increase radiating effect, thus ventilated motor volume is big and quality is larger, but due to ventilated motor not
Radiation water channel is needed, is making and is requiring relatively low in technique, advantage of lower cost.Liquid cooling electric motor is complicated, typically outside
Cooling water channel is arranged on housing, and needs to increase more strict safeguard procedures, thus cost will height compared with ventilated motor.Liquid
Cold motor also needs to set up the devices such as extra electric water pump and radiator to provide cooling for motor, thus adds volume
Outer power consumption, make structure complex, and arrange higher with installation requirement.Most electric automobiles, especially high-power electric automobile
Typically use liquid cooling electric motor.
At present, Motor for Electric Automobile is mostly the water-cooling pattern of spiral channel built in casing, motor and automatically controlled is cooled back
Road is mostly cascade, and this cooling scheme is easy and effective in the system of single electric control, securely and reliably.But recently as pure
The renewal and development of electric vehicle engineering, to meet complex working condition during automobile actual motion, there is bi-motor in parallel or series
Dynamical system, while generally two motors are integrated in a housing to save space, now cooling system processing becomes one
Individual difficult point, the difficulty that integrated cooling water channel will greatly increase design and processes processing is changed to, keeps the cooling of single motor
Water channel is connected in systems and 2 cooling effect of motor will be caused difference to be present, and internal temperature is uneven, reduces cooling system
The effect of system.
Such as in the prior art, Chinese invention patent Publication No.：102765321B, disclose a kind of electric automobile cooling system
System, is cooled down, the electric automobile cooling system includes for the electric motor units to electric automobile and charhing unit：Electricity in parallel
Machine cools down branch road and charging cooling branch road, and the electric motor units, the charging cooling branch are provided with the motor cooling branch road
The charhing unit is provided with road；Share cooling main line, shared cooling main line and the motor cool down branch road and connected structure
Into the motor cooling circuit for being cooled down to the electric motor units, also, the shared cooling main line and the charging are cold
But the branch road charging cooling circuit in series for being cooled down to the charhing unit.The invention is connected using cooling water channel
Form to electric motor units and the cooling circuit of charhing unit, but the motor cooling that can not be applied to solve dual motors system is asked
Topic.
And for example in the prior art, Chinese invention patent Publication No.：102497139A, disclose entitled：It is a kind of
Double-motor controller structure for hybrid-engine electric vehicle, it is characterized in that：Horizontal layout in controller housing is：Positioned at a left side
Upper angle is two bus HV Terminals into horizontally-arranged setting, is six phase line HV Terminals into horizontally-arranged setting positioned at lower section,
It is thin-film capacitor below the bus HV Terminal, is motor IGBT between thin-film capacitor and phase line HV Terminal,
It is electric generator IGBT on the right side of the thin-film capacitor and motor IGBT；The side of controller housing is provided with low pressure
Terminal；Facade in controller housing is arranged as：Positioned at the motor IGBT and electric generator IGBT bottom, set cold
But water channel.The patent application is related to double-motor power structure, but and solution dual motors system chilling temperature not yet in effect and effect
Control.
It follows that being based on the deficiencies in the prior art, lack a kind of power train in vehicle application system integrated for bi-motor, simply
The cooling system of efficient and controllable cooling-down effect.
Utility model content
The defects of in order to make up prior art, the utility model provide a kind of the cold of double-motor power system used for electric vehicle
But system, cooling system include recirculated water cooling component, temperature measurement component and control assembly, and recirculated water cooling component is provided with water circulating pump
And cooling fan, temperature measurement component include the TEMP for the temperature sensor and two electric machine built-ins being arranged in circulating water line
Device.Cooling system and dynamical system setting program start, and in system work process, entire car controller is according to automobilism road conditions
Regulation motor operating condition, the temperature sensor synchronization detecting system of temperature sensor and electric machine built-in in circulating water line are each
The temperature of position, and using the reading of temperature sensor as regulated quantity, by the rotating speed control for changing water circulating pump and cooling fan
Cooling effect processed.On the other hand, limit value is set to the temperature difference of two motor internal temperature, when two electric machine built-in temperature sensors
When detecting that the temperature difference exceedes limit value, by changing circulating direction of the cooling water in motor heat exchanger, cooling water is set first to flow through temperature
The higher motor of degree, realizes the regulation of two motor internal temperature homogeneities.
To achieve these goals, the cooling system of double-motor power system used for electric vehicle described in the utility model is logical
Following technical scheme is crossed to realize：
The cooling system includes：Recirculated water cooling component, temperature measurement component and control assembly.Wherein, recirculated water cooling component by
Water-storing tank, water circulating pump, water recirculator, cooling fan, All-in-One controller heat exchanger, four-way reversing valve, motor change
Hot device is sequentially connected by circulating water line, and wherein All-in-One controller heat exchanger is placed on All-in-One controller side, motor
Heat exchanger electrically connects with the first temperature sensor of the first electric machine built-in and the second temperature sensing of the second electric machine built-in；Thermometric group
Part includes temperature sensor, the first motor temperature biography of the first electric machine built-in being arranged between water-storing tank and four-way reversing valve
Second motor temperature sensor of sensor and the second electric machine built-in, the first motor temperature sensor and the second motor temperature sensor
It is electrically connected to each other；Control assembly forms by All-in-One controller and with the entire car controller that All-in-One controller electrically connects, circulation
Water pump, All-in-One controller heat exchanger, entire car controller electrically connect with four-way reversing valve, and water circulating pump, All-in-One controller change
Hot device, entire car controller electrically connect with temperature sensor, cooling fan and All-in-One controller, the second motor temperature sensor,
First motor temperature sensor is sequentially connected electrically, and four-way reversing valve electrically connects with temperature sensor.
Further, water circulating pump can change rotating speed；
Further, the four-way reversing valve is the four-way reversing valve of electromagnetic type.
The beneficial effect of cooling system described in the utility model is：
1st, simple structure, manufacturing cost or the cost transformed existing electric automobile cooling system significantly reduce,
Cooling system described in the utility model to single motor water channel design without being modified, it is only necessary to which the water channel of two motors is direct
It is cascaded；Meanwhile a four-way valve and two temperature only need to be accessed in the cooling circuit of traditional power system of electric automobile
Detection means is spent, increases module in a control unit and realizes intelligence switching and control, simple and easy, improvement cost is low.
2nd, be advantageous to the whole efficiency of raising system by the regulation to two motor internal temperature homogeneities, increase system
Performance driving economy.
3rd, cooling system described in the utility model, it is innovative scientific and technological achievement, structure setting caused by experimental study for many years
Rationally.
Brief description of the drawings
Fig. 1 is schematic diagram of cooling system structure described in the utility model；
Shown in figure：1- water-storing tanks, 2- water circulating pumps, 3- four-way reversing valves, 4- motor heat exchangers, the control of 5- All-in-Ones
Device heat exchanger, 6- water recirculators, 7- cooling fans, 8- temperature sensors, the motor temperature sensors of 9- first, 10- second
Motor temperature sensor, 11- All-in-One controllers, 12- entire car controllers.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.
With reference to the embodiment in Fig. 1, to a kind of cooling of double-motor power system used for electric vehicle described in the utility model
System is described further.
As shown in figure 1, the cooling system, including recirculated water cooling component, temperature measurement component and control assembly.Wherein, circulate
Water cooling component is by water-storing tank 1, water circulating pump 2, water recirculator 6, cooling fan 7, All-in-One controller heat exchanger 5, four
Logical reversal valve 3, motor heat exchanger 4 are sequentially connected by circulating water line, and wherein All-in-One controller heat exchanger 5 is placed on more conjunctions
The side of one controller 11, the first temperature sensor 9 of the electric machine built-in of motor heat exchanger 4 and first and the second of the second electric machine built-in
Temperature sensor 10 electrically connects；Temperature measurement component include being arranged at temperature sensor 8 between water-storing tank 1 and four-way reversing valve 3,
First motor temperature sensor 9 of the first electric machine built-in, the second motor temperature sensor 10 of the second electric machine built-in, the first motor
The motor temperature sensor 10 of temperature sensor 9 and second is electrically connected to each other；Control assembly is closed more by All-in-One controller 11 and with
The entire car controller 12 of one controller 11 electrical connection forms, water circulating pump 2, All-in-One controller heat exchanger 5, entire car controller 12
Electrically connected with four-way reversing valve 3, water circulating pump 2, All-in-One controller heat exchanger 5, entire car controller 12 and the electricity of temperature sensor 8
Connection, cooling fan 7 are electrically connected with All-in-One controller 11, the first motor temperature sensor 9 and the second motor temperature sensor 10
Connect, four-way reversing valve 3 electrically connects with temperature sensor 8.
Finally it should be noted that：Above example only illustrates the technical solution of the utility model, rather than its limitations；Although
The utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technical scheme
Spirit and scope.
Claims (3)
- A kind of 1. electric car double-motor power system cooling system, it is characterised in that：Including recirculated water cooling component, temperature measurement component And control assembly；The recirculated water cooling component is by water-storing tank, water circulating pump, water recirculator, cooling fan, All-in-One control Device heat exchanger processed, four-way reversing valve, motor heat exchanger are sequentially connected by circulating water line, the All-in-One controller heat exchanger It is placed on All-in-One controller side, the first temperature sensor and the second motor of the motor heat exchanger and the first electric machine built-in Built-in second temperature sensing electrical connection；The temperature measurement component includes the temperature being arranged between water-storing tank and four-way reversing valve Sensor, the first motor temperature sensor and the second motor temperature sensor, the first motor temperature sensor and the second motor temperature Degree sensor is electrically connected to each other；The control assembly is by All-in-One controller and the full-vehicle control electrically connected with All-in-One controller Device forms, and the water circulating pump, All-in-One controller heat exchanger, entire car controller electrically connect with four-way reversing valve, the circulation Water pump, All-in-One controller heat exchanger, entire car controller electrically connect with temperature sensor, and the cooling fan controls with All-in-One Device, the second motor temperature sensor, the first motor temperature sensor are sequentially connected electrically, the four-way reversing valve and temperature sensor Electrical connection.
- 2. electric car double-motor power system cooling system according to claim 1, it is characterised in that：The water circulating pump Rotating speed can be changed.
- 3. electric car double-motor power system cooling system according to claim 1, it is characterised in that：Four-way reversing valve is The four-way reversing valve of electromagnetic type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842639.3U CN206900162U (en) | 2017-07-12 | 2017-07-12 | A kind of cooling system of double-motor power system used for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842639.3U CN206900162U (en) | 2017-07-12 | 2017-07-12 | A kind of cooling system of double-motor power system used for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206900162U true CN206900162U (en) | 2018-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720842639.3U Expired - Fee Related CN206900162U (en) | 2017-07-12 | 2017-07-12 | A kind of cooling system of double-motor power system used for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206900162U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298018A (en) * | 2017-07-12 | 2017-10-27 | 南京越博动力系统股份有限公司 | The cooling means and its cooling system of a kind of double-motor power system used for electric vehicle |
| CN110962584A (en) * | 2019-11-20 | 2020-04-07 | 苏州科兰自动化科技有限公司 | Controller for circulating water of electric automobile |
| CN112993617A (en) * | 2021-02-04 | 2021-06-18 | 哈尔滨东安汽车发动机制造有限公司 | All-in-one motor controller assembly integrated with electronic pump controller |
-
2017
- 2017-07-12 CN CN201720842639.3U patent/CN206900162U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298018A (en) * | 2017-07-12 | 2017-10-27 | 南京越博动力系统股份有限公司 | The cooling means and its cooling system of a kind of double-motor power system used for electric vehicle |
| CN110962584A (en) * | 2019-11-20 | 2020-04-07 | 苏州科兰自动化科技有限公司 | Controller for circulating water of electric automobile |
| CN112993617A (en) * | 2021-02-04 | 2021-06-18 | 哈尔滨东安汽车发动机制造有限公司 | All-in-one motor controller assembly integrated with electronic pump controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 |